%0 Journal Article
%A L. M. Lerman
%T On the behaviour of a~Hamiltonian system in a~neighbourhood 

%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1989
%P 285-286
%V 44
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1989_44_2_a8/
%G en
%F RM_1989_44_2_a8